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Debt (Narrative) (Details) | 6 Months Ended
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Feb. 28, 2021 USD ($) agreement
Debt Instrument [Line Items] |
Number of agreements | agreement | 2
Other Unsecured Debt [Member] |
Debt Instrument [Line Items] |
Revolving credit facility, amount | $ 125,000,000.0
Note Agreement and the Credit Agreement [Member] |
Debt Instrument [Line Items] |
Consolidated leverage ratio | 3.5
Consolidated interest coverage ratio | 3
Credit Agreement - Revolving Credit Facility [Member] |
Debt Instrument [Line Items] |
Revolving credit facility, amount | $ 150,000,000.0
Revolving credit facility, expiration date | Sep. 30, 2025
Credit Agreement - Revolving Credit Facility [Member] | Prior to Amendment [Member] |
Debt Instrument [Line Items] |
Revolving credit facility, expiration date | Mar. 16, 2025
Europe, The Middle East, Africa And India Subsidiary [Member] | Credit Agreement - Revolving Credit Facility [Member] |
Debt Instrument [Line Items] |
Revolving credit facility, amount | $ 100,000,000.0

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